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Updated Swap stepper motor driver for TMC2xxx (markdown)

Oliver Köster
2022-02-08 16:04:57 +01:00
parent ec703a0e93
commit d40c9b4e24
1 changed files with 5 additions and 5 deletions
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Swap-stepper-motor-driver-for-TMC2xxx.md

@@ -10,24 +10,24 @@ I have had very bad experiences with BIGTREETECH/PoPprint, in which a driver of
At first glance, the printer is frightening, but since the Chinese only cook with water, the content is really manageable. At the top right we find the mainboard to which everything is connected. The one on the left is the power supply. We keep our hands off that.
[[https://raw.githubusercontent.com/knutwurst/Marlin-2-0-x-Anycubic-i3-MEGA-S/master/images/printer_open.jpg | width = 800px]]
[[/images/printer_open.jpg | width = 800px]]
**2. Remove fan**
The small fan that hangs above the board must first be removed so that we have a clear view of the (red) motor drivers.
[[https://raw.githubusercontent.com/knutwurst/Marlin-2-0-x-Anycubic-i3-MEGA-S/master/images/mobo_with_stepperdrivers.jpg | width = 800px]]
[[/images/mobo_with_stepperdrivers.jpg | width = 800px]]
**3. Remove old A4899 motor drivers**
The old drivers are relatively stuck on the board. However, they can be easily removed with wide pliers. It is important to keep them in the order in which they were inserted here!
[[https://raw.githubusercontent.com/knutwurst/Marlin-2-0-x-Anycubic-i3-MEGA-S/master/images/mobo_without_stepperdrivers.jpg | width = 800px]]
[[/images/mobo_without_stepperdrivers.jpg | width = 800px]]
**4. Insert new drivers**
Now the new drivers are plugged in. **It is extremely important to pay attention to the polarity!** It doesn't matter how the drivers look from above. The decisive factor is the assignment as can be seen in the photo. If you do it wrong, you will 100% roast the mainboard and the drivers.
[[https://raw.githubusercontent.com/knutwurst/Marlin-2-0-x-Anycubic-i3-MEGA-S/master/images/stepper_closeup.jpg | width = 800px]]
[[/images/stepper_closeup.jpg | width = 800px]]
**5. Set reference voltage**
@@ -44,7 +44,7 @@ Since the motor outputs are wired the other way around with TMC drivers, the ste
If you still feel like it, you can replace the old fan with something quieter. I strongly advise against a printed wind tunnel (Fanduct), as this cannot work with axial fans and the air tends to accumulate in it. Instead, it has proven useful to simply place a quieter fan or two over the board.
[[https://raw.githubusercontent.com/knutwurst/Marlin-2-0-x-Anycubic-i3-MEGA-S/master/images/new_mobo_fans.jpg | width = 800px]]
[[/images/new_mobo_fans.jpg | width = 800px]]
### Troubleshooting